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Design of Transmission Tower
2026-01-13
Design of Transmission Tower
During design of transmission tower, the following points to be considered in mind by china electric power transmission line steel lattice tower and pole factory and manufacturer
- The minimum ground clearance of the lowest conductor points above the ground level.
- The length of the insulator string.
- The minimum clearance to be maintained between conductors and between conductor and tower.
- The location of a ground wire with respect to outermost conductors.
- The midspan clearance required from considerations of the dynamic behaviour of the conductor and lightning protection of the power line.
To determine the actual transmission tower height by considering the above points, we have divided the total height of the tower into four parts:
- Minimum permissible ground clearance (H1)
- Maximum sag of the overhead conductor (H2)
- Vertical spacing between the top and bottom conductors (H3)
- Vertical clearance between the ground wire and top conductor (H4)
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